Performance Machine Vision Air Cleaner For Harley Sportster Performance Machine Vision air cleaners give you the power to view what goes on inside the heart of your bikes intake system. The UV and abrasion resistant polycarbonate lens is framed by a 6061-T6 aluminum bezel to add structural integrity as well as provide an even distribution of clamping force to eliminate cracking. The Vision air cleaners are precision CNC machined out of billet aluminum and come complete with chrome hardware and any required gaskets. Offered in contrast cut, chrome, and black ops finishes. Features: Aluminum lens bezel eliminates cracking UV, abrasion, hazing, and yellowing resistant polycarbonate lens Low profile K&N washable filter element CNC machined from billet aluminum Chrome hardware and gaskets included